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36 * Holds the structures for the eal internal configuration
39 #ifndef EAL_INTERNAL_CFG_H
40 #define EAL_INTERNAL_CFG_H
43 #include <rte_pci_dev_feature_defs.h>
45 #define MAX_HUGEPAGE_SIZES 3 /**< support up to 3 page sizes */
48 * internal configuration structure for the number, size and
49 * mount points of hugepages
51 struct hugepage_info {
52 uint64_t hugepage_sz; /**< size of a huge page */
53 const char *hugedir; /**< dir where hugetlbfs is mounted */
54 uint32_t num_pages[RTE_MAX_NUMA_NODES];
55 /**< number of hugepages of that size on each socket */
56 int lock_descriptor; /**< file descriptor for hugepage dir */
60 * internal configuration
62 struct internal_config {
63 volatile size_t memory; /**< amount of asked memory */
64 volatile unsigned force_nchannel; /**< force number of channels */
65 volatile unsigned force_nrank; /**< force number of ranks */
66 volatile unsigned no_hugetlbfs; /**< true to disable hugetlbfs */
67 volatile unsigned xen_dom0_support; /**< support app running on Xen Dom0*/
68 volatile unsigned no_pci; /**< true to disable PCI */
69 volatile unsigned no_hpet; /**< true to disable HPET */
70 volatile unsigned vmware_tsc_map; /**< true to use VMware TSC mapping
71 * instead of native TSC */
72 volatile unsigned no_shconf; /**< true if there is no shared config */
73 volatile unsigned create_uio_dev; /**< true to create /dev/uioX devices */
74 volatile enum rte_proc_type_t process_type; /**< multi-process proc type */
75 /** true to try allocating memory on specific sockets */
76 volatile unsigned force_sockets;
77 volatile uint64_t socket_mem[RTE_MAX_NUMA_NODES]; /**< amount of memory per socket */
78 uintptr_t base_virtaddr; /**< base address to try and reserve memory from */
79 volatile int syslog_facility; /**< facility passed to openlog() */
80 volatile uint32_t log_level; /**< default log level */
81 /** default interrupt mode for VFIO */
82 volatile enum rte_intr_mode vfio_intr_mode;
83 const char *hugefile_prefix; /**< the base filename of hugetlbfs files */
84 const char *hugepage_dir; /**< specific hugetlbfs directory to use */
86 unsigned num_hugepage_sizes; /**< how many sizes on this system */
87 struct hugepage_info hugepage_info[MAX_HUGEPAGE_SIZES];
89 extern struct internal_config internal_config; /**< Global EAL configuration. */
91 void eal_reset_internal_config(struct internal_config *internal_cfg);
93 #endif /* EAL_INTERNAL_CFG_H */